Keystone Sign Service is owned & operated by Douglas Bradley. The business was started in the basement of his Carlisle, PA home in 1987. Soon after that the first bucket truck was purchased, then the first crane truck. It began to get crowded around the Bradley house. In 1995 we purchased a group of garages that were tore down to build our NEW 6, 000 Sq. Ft. Shop where we design & manufacture our signs.
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